Dau Tu Va Truyen Thong Dong Nam Joint Stock Company Address: No 15/107, Vinh Hung Street, Hoang Mai District, Ha Noi City Enterprise code: 0105201786 Phone: 0965202335 Representative: Le Thi Hong Van Adress: No 18, Cau 7 Town, Bac Tu Liem District, Ha Noi City Hoang Mai District, Ha Noi CityFounding date: 18 - 3 - 2011